15+7.7n=13+8.2n

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Solution for 15+7.7n=13+8.2n equation: 



15+7.7n=13+8.2n

We move all terms to the left:

15+7.7n-(13+8.2n)=0

We add all the numbers together, and all the variables

7.7n-(8.2n+13)+15=0

We get rid of parentheses

7.7n-8.2n-13+15=0

We add all the numbers together, and all the variables

-0.5n+2=0

We move all terms containing n to the left, all other terms to the right

-0.5n=-2

n=-2/-0.5

n=+4

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